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Publication of FR484227ApublicationCriticalpatent/FR484227A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D51/00—Making hollow objects
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K1/00—Soldering, e.g. brazing, or unsoldering
B23K1/14—Soldering, e.g. brazing, or unsoldering specially adapted for soldering seams
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Mechanical Engineering
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FR484227D1915-12-231916-12-16Procédé et machine pour la fabrication des récipients, en zinc, de piles sèches
ExpiredFR484227A
(fr)